2646220204 has 24 divisors (see below), whose sum is σ = 4910997168. Its totient is φ = 1243322880.

The previous prime is 2646220201. The next prime is 2646220223. The reversal of 2646220204 is 4020226462.

It is not an unprimeable number, because it can be changed into a prime (2646220201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13464 + ... + 73984.

It is an arithmetic number, because the mean of its divisors is an integer number (204624882).

Almost surely, 2^2646220204 is an apocalyptic number.

It is an amenable number.

2646220204 is a deficient number, since it is larger than the sum of its proper divisors (2264776964).

2646220204 is a wasteful number, since it uses less digits than its factorization.

2646220204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61185 (or 61183 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2646220204 is about 51441.4249802627. The cubic root of 2646220204 is about 1383.1692552801.

Adding to 2646220204 its reverse (4020226462), we get a palindrome (6666446666).

The spelling of 2646220204 in words is "two billion, six hundred forty-six million, two hundred twenty thousand, two hundred four".